Transmission of Infectious Diseases

The video provides an overview of the National Institute for Communicable Diseases (NICD) in South Africa, explaining its role in public health. It defines communicable diseases, detailing their causes and modes of transmission, including direct and indirect contact. The video covers various transmission methods such as person-to-person, droplet spread, airborne, contaminated objects, food and water, and animal contact. It concludes with a summary and directs viewers to the NICD website for more information.

What is the primary role of the National Institute for Communicable Diseases (NICD) in South Africa?

• To develop vaccines for all diseases

• To support the government's response to communicable diseases

• To conduct research on non-communicable diseases

• To provide healthcare services to the public

Which of the following is NOT a cause of communicable diseases?

• Genetic mutations

• Fungi

• Viruses

• Bacteria

How can infectious diseases be transmitted through direct contact?

• Through contaminated food

• By touching contaminated surfaces

• Through person-to-person contact

• By breathing contaminated air

Which of the following is an example of droplet spread transmission?

• Touching a doorknob

• Being bitten by a mosquito

• Coughing or sneezing

• Eating contaminated food

What is a characteristic of airborne transmission of diseases?

• Requires physical contact

• Involves contaminated water

• Can travel long distances in the air

• Spread through animal bites

Which of the following diseases is NOT typically spread through the air?

• Diabetes

• Tuberculosis

• Common cold

• Measles

How can infectious diseases be spread through contaminated objects?

• By breathing in droplets

• By being bitten by an insect

• By touching your face after contact

• By eating contaminated food

Which of the following is a common way for E.coli to be transmitted?

• Through airborne particles

• Through mosquito bites

• Via improperly handled produce

• By direct contact with an infected person

What is a zoonotic disease?

• A disease transmitted from animals to humans

• A disease spread through direct human contact

• A disease spread through contaminated water

• A disease that is airborne

Which insect is NOT typically involved in the transmission of zoonotic diseases?

• Butterfly

• Mosquito

• Flea

• Tick